Russian standards PDF
Telecontrol equipment and systems. Part 1. General considerations. Section One - General principles
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Auxiliaries for lamps. A.c.-Supplied electronic ballasts for tubular fluorescent lamps. Performance requirements
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Petroleum paraffins. Method for the determination of fraction composition
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Organic dyes. Testing method of dyeability (concentration), shade and purity
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Occupational safety standards system. Terms and definitions
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